Annual report pursuant to Section 13 and 15(d)

Note 10 - Segmented Information (Details Textual)

v3.7.0.1
Note 10 - Segmented Information (Details Textual) - Customer Concentration Risk [Member]
12 Months Ended
Jan. 01, 2017
Jan. 03, 2016
Dec. 28, 2014
Sales Revenue, Net [Member]      
Number of Major Customers 2 2 3
Sales Revenue, Net [Member] | Major Customer1 [Member]      
Concentration Risk, Percentage 16.00% 13.00% 31.00%
Sales Revenue, Net [Member] | Major Customer2 [Member]      
Concentration Risk, Percentage 12.00% 11.00% 12.00%
Sales Revenue, Net [Member] | Major Customer3 [Member]      
Concentration Risk, Percentage     10.00%
Accounts Receivable [Member]      
Number of Major Customers 1 1 4
Accounts Receivable [Member] | Major Customer1 [Member]      
Concentration Risk, Percentage 12.00% 17.00% 21.00%
Accounts Receivable [Member] | Major Customer2 [Member]      
Concentration Risk, Percentage   28.00% 15.00%
Accounts Receivable [Member] | Major Customer3 [Member]      
Concentration Risk, Percentage     14.00%
Accounts Receivable [Member] | Major Customer 4 [Member]      
Concentration Risk, Percentage     12.00%